DERVINIS, D.; DAUNYS, G.; RAMANAUSKAS, N. 3D Head Orientation Estimation and Expression Influence Minimization using Characteristic Points of Face. Elektronika ir Elektrotechnika, [S. l.], v. 86, n. 6, p. 47-50, 2008. Disponível em: https://eejournal.ktu.lt/index.php/elt/article/view/11182. Acesso em: 22 feb. 2024.